124 lines
3.6 KiB
Plaintext
124 lines
3.6 KiB
Plaintext
#DESC Fsadm - Disk and file system administration
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#
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# Authors: Stephen Smalley <sds@epoch.ncsc.mil> and Timothy Fraser
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# X-Debian-Packages: util-linux e2fsprogs xfsprogs reiserfsprogs parted raidtools2 mount
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#
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#################################
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#
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# Rules for the fsadm_t domain.
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#
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# fsadm_t is the domain for disk and file system
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# administration.
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# fsadm_exec_t is the type of the corresponding programs.
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#
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type fsadm_t, domain, privlog, fs_domain, mlsfileread, mlsfilewrite;
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role system_r types fsadm_t;
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role sysadm_r types fsadm_t;
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general_domain_access(fsadm_t)
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# for swapon
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r_dir_file(fsadm_t, sysfs_t)
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# Read system information files in /proc.
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r_dir_file(fsadm_t, proc_t)
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# Read system variables in /proc/sys
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read_sysctl(fsadm_t)
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# for /dev/shm
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allow fsadm_t tmpfs_t:dir { getattr search };
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allow fsadm_t tmpfs_t:file { read write };
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base_file_read_access(fsadm_t)
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# Read /etc.
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r_dir_file(fsadm_t, etc_t)
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# Read module-related files.
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allow fsadm_t modules_conf_t:{ file lnk_file } r_file_perms;
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# Read /dev directories and any symbolic links.
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allow fsadm_t device_t:dir r_dir_perms;
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allow fsadm_t device_t:lnk_file r_file_perms;
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uses_shlib(fsadm_t)
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type fsadm_exec_t, file_type, sysadmfile, exec_type;
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domain_auto_trans(initrc_t, fsadm_exec_t, fsadm_t)
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ifdef(`targeted_policy', `', `
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domain_auto_trans(sysadm_t, fsadm_exec_t, fsadm_t)
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')
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tmp_domain(fsadm)
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# remount file system to apply changes
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allow fsadm_t fs_t:filesystem remount;
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allow fsadm_t fs_t:filesystem getattr;
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# mkreiserfs needs this
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allow fsadm_t proc_t:filesystem getattr;
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# mkreiserfs and other programs need this for UUID
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allow fsadm_t { urandom_device_t random_device_t }:chr_file { getattr read };
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# Use capabilities. ipc_lock is for losetup
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allow fsadm_t self:capability { ipc_lock sys_rawio sys_admin sys_tty_config dac_override dac_read_search };
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# Write to /etc/mtab.
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file_type_auto_trans(fsadm_t, etc_t, etc_runtime_t, file)
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# Inherit and use descriptors from init.
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allow fsadm_t init_t:fd use;
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# Run other fs admin programs in the fsadm_t domain.
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can_exec(fsadm_t, fsadm_exec_t)
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# Access disk devices.
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allow fsadm_t fixed_disk_device_t:devfile_class_set rw_file_perms;
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allow fsadm_t removable_device_t:devfile_class_set rw_file_perms;
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allow fsadm_t scsi_generic_device_t:chr_file r_file_perms;
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# Access lost+found.
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allow fsadm_t lost_found_t:dir create_dir_perms;
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allow fsadm_t lost_found_t:{ file sock_file fifo_file } create_file_perms;
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allow fsadm_t lost_found_t:lnk_file create_lnk_perms;
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allow fsadm_t file_t:dir { search read getattr rmdir create };
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# Recreate /mnt/cdrom.
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allow fsadm_t mnt_t:dir { search read getattr rmdir create };
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# Recreate /dev/cdrom.
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allow fsadm_t device_t:dir rw_dir_perms;
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allow fsadm_t device_t:lnk_file { unlink create };
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# Enable swapping to devices and files
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allow fsadm_t swapfile_t:file { getattr swapon };
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allow fsadm_t fixed_disk_device_t:blk_file { getattr swapon };
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# Allow console log change (updfstab)
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allow fsadm_t kernel_t:system syslog_console;
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# Access terminals.
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can_access_pty(fsadm_t, initrc)
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allow fsadm_t { admin_tty_type devtty_t console_device_t }:chr_file rw_file_perms;
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ifdef(`gnome-pty-helper.te', `allow fsadm_t sysadm_gph_t:fd use;')
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allow fsadm_t privfd:fd use;
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read_locale(fsadm_t)
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# for smartctl cron jobs
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system_crond_entry(fsadm_exec_t, fsadm_t)
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# Access to /initrd devices
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allow fsadm_t { file_t unlabeled_t }:dir rw_dir_perms;
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allow fsadm_t { file_t unlabeled_t }:blk_file rw_file_perms;
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allow fsadm_t usbfs_t:dir { getattr search };
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allow fsadm_t ramfs_t:fifo_file rw_file_perms;
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allow fsadm_t device_type:chr_file getattr;
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# for tune2fs
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allow fsadm_t file_type:dir { getattr search };
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